Failed to get connection from a remote gdb proces

[goodcyg]

my iphone se iOS 11.1.2 （ Electra Jailbreak），I use debugserver + lldb to debug the third-party test.app, listening to port 1234 for a connection from *. Succeeded, but after a few seconds, it flashed back and I couldn't debug。The following tips：
/Developer/usr/bin/debugserver *:1234 -a "test"
debugserver-@(#)PROGRAM:debugserver PROJECT:debugserver-360.0.26.14
for arm64.
Attaching to process test...
Listening to port 1234 for a connection from *...
Failed to get connection from a remote gdb process.
Exiting.
iPhone:~ root#

Failed to get connection from a remote gdb process. What's the reason? Help me。

[goodcyg]

I use usbmuxd 1.0.8 debug

[zhangxistudy11]

I have the same problem .

[zhangxistudy11]

Delete Debugserver in three items:
com.apple.security.net work.
com.apple.security.network.client
Seatbelt - profiles.
And then re-sign it.

[crifan]

see my other answer:

Failed to get connection from a remote gdb process · Issue #22 · coolstar/electra1131